DV SSL/TLS Certificate for astridnafzger.ch

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the astridnafzger.ch DV SSL/TLS Certificate

This certificate with serial number 05:7e:65:62:d2:db:5c:e0:51:91:53:17:5e:9d:df:b9:1c:76 for astridnafzger.ch was issued on by Let's Encrypt.

With 3 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for astridnafzger.ch provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:7e:65:62:d2:db:5c:e0:51:91:53:17:5e:9d:df:b9:1c:76
Serial Number (int): 478571773040191620708729865297352308890742
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 19:cf:a7:64:bf:11:db:e2:26:38:42:2d:cf:2f:06:24:ae:36:ca:52
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 12:9c:0a:8d:79:56:bf:72:7d:60:17:bf:74:dd:6a:90:d4:02:c7:3c
Fingerprint (SHA-256): 0a:80:9b:45:7d:8e:24:d8:85:8a:1b:a8:5c:3c:09:65:90:0a:ec:a6:4d:dd:67:ae:2c:8e:f5:bb:d8:78:2d:bd

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/119.crl

Check the revocation status for certificate astridnafzger.ch
3
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for astridnafzger.ch

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for astridnafzger.ch in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvSrUlgeBJZO0KLgxbRfW
017OVH9zwCGzuFNj4nemGvmqxMUlEdk7b5hU2JDsBJivoswWrby1Q8TKw2mFm57u
IsfVIc6LHrHI4xrsUQ63HwceLkZGfPD4OGfQGb/fQRXWwWYcU6C9lHtL0fl4gqsb
zh7M3ZnSLTT5yZnPhDTdr/YBgS8hkY7tI5mPL78vCT/uF01IoS/PTK3AKf+NQQuu
abbk5a2eqKrIDBlvkrBIS92caebEuIz40BpeYDx06ggkdkvchMyB0ljP/B5i5fny
ZtCRCFB1/TUihdVN/XPJs/+ixrwvJGLm3j5KeOYu2xS+qxjXyVJ8egWu6CZfQQ5c
VQIDAQAB
-----END PUBLIC KEY-----

ASN.1 Decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 478571773040191620708729865297352308890742
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [c:0|t:5|false] NULL []
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-09 21:49:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-07 21:49:11 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'astridnafzger.ch'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL []
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23880160103029966985816770614484288302924815225958928768266645073855104478453128388515262887737383500579302970642888914861668239400137492554146782999008045871937992073332147475558060839621951080892648869373535242274852847839929761720651554256382441665716822847845324938993719937880958766003386238368376598733401066336295236079533382342235873542377585680952228512449581985301994563726722923101893520175723722147287235554391948088491389868891515081114318435472066947838179984363521516667287215830701570461973913600904052411326261461511437774255964971965554403307509230816359476065052356433819000124946610232176319290453
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							19cfa764bf11dbe22638422dcf2f0624ae36ca52
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (68 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'astridnafzger.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.astridnafzger.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.astridnafzger.ch'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/119.crl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db00000019756e0cc030000040300473045022036ca4a6b10c2348bdd8de6ccda85508d16fdff9fba5461b3e2527a71c0ac9a860221009fb65ed7defed716180cbd793f27526dca43aacb621a30907cfe46a9963f87f000770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019756e0cbf00000040300483046022100fc3f8c03ff22073c993e277e4b175a8085f43e0197dbb35b3001168da46ffdd6022100c661693f6e76fe387fac760494d66abc310a40bc6d377a48104f1a5c16f17563
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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